arc4.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 *
 *  This file is provided under the Apache License 2.0, or the
 *  GNU General Public License v2.0 or later.
 *
 *  **********
 *  Apache License 2.0:
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  **********
 *
 *  **********
 *  GNU General Public License v2.0 or later:
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  **********
 *
 */
#ifndef MBEDTLS_ARC4_H
#define MBEDTLS_ARC4_H
 
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
 
#include <stddef.h>
 
/* MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED is deprecated and should not be used. */
#define MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED                  -0x0019  
#ifdef __cplusplus
extern "C" {
#endif
 
#if !defined(MBEDTLS_ARC4_ALT)
// Regular implementation
//
 
typedef struct mbedtls_arc4_context
{
    int x;                      
    int y;                      
    unsigned char m[256];       
}
mbedtls_arc4_context;
 
#else  /* MBEDTLS_ARC4_ALT */
#include "arc4_alt.h"
#endif /* MBEDTLS_ARC4_ALT */
 
void mbedtls_arc4_init( mbedtls_arc4_context *ctx );
 
void mbedtls_arc4_free( mbedtls_arc4_context *ctx );
 
void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
                 unsigned int keylen );
 
int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
                unsigned char *output );
 
#if defined(MBEDTLS_SELF_TEST)
 
int mbedtls_arc4_self_test( int verbose );
 
#endif /* MBEDTLS_SELF_TEST */
 
#ifdef __cplusplus
}
#endif
 
#endif /* arc4.h */